CaratHunter
Plans
Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644157

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784644157

Diamond specifications and retailer prices

From $5,652 AUD
$3,970 USD
As of November 1, 2026
Save $29,525 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $35,177 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown cushion diamond

This 4.23ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644157 or 784644157. Listed at 11 retailers as of October 31, 2026, with prices from $5,652 to $35,177, a $29,525 spread on the same certified stone. Do Amore Diamonds lists it at $35,177. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644157
Dimensions10.42 × 8.68 × 5.82 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.42 mm8.68 mm4.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644157
Side View
Table 60.0%Crown 33.6°Girdle: THK-VTKPavilion 36.2°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $35,177 AUD|Low: $5,652 AUD|High: $46,566 AUD|Avg: $15,774 AUD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$5,652 AUD
Retailer 7$5,922 AUD
Retailer 6$6,627 AUD
Retailer 3$8,046 AUD
Retailer 10$9,565 AUD
Retailer 2$11,200 AUD
Retailer 11$11,916 AUD
Retailer 8$14,100 AUD
Retailer 9$16,268 AUD
Retailer 5$18,663 AUD
Do Amore Diamonds$35,177 AUD

29 data points across 11 retailers

11 retailers$5,652 AUD to $35,177 AUD

A
Cheapest Retailer
-
$5,652 AUD
$3,970 USD
A
Retailer 2
-
$5,922 AUD
$4,160 USD
View
A
Retailer 3
-
$6,627 AUD
$4,655 USD
View
A
Retailer 4
-
$8,046 AUD
$5,652 USD
View
Final sale: no returns
A
Retailer 5
-
$9,565 AUD
$6,719 USD
View
A
Retailer 6
-
$11,200 AUD
€7,493 EUR
View
Retailer 7
-
$11,916 AUD
$8,370 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$14,100 AUD
£7,799 GBP
View
B+
Retailer 9
-
$16,268 AUD
$11,428 USD
View
B+
Retailer 10
-
$18,663 AUD
$13,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-9912B3267 · Oct 31
$35,177 AUD
$24,710 USD
View
10 more retailers have this diamond
Prices start from $5,652 AUDSave up to $29,525 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.23ct Cushion
$5,652 AUD